Motor terminal connection



L'E- KINSER. MOTOR-TERIVHNM. CONNECTION. APPLICATION FILED IAN. 22, 1921.

mama June 13, 1922.

[KW/swim HECTOR TEE-YLVIIN'AL CQNNECTEOH.

Application filed January 22, 1921.

To all iii/tom may concern.

Be it known that l, TSAAA) ll. Kixsnn, a citizen of the United State residing at Dallas, .in the county of lalla and State of l exas, have invented certain new and useful improvements in lilotor Teri'ninal Connec tions, oi which the following is a specification.

This invention relates to new and useful improvements in motor terminal connection.

The object of the invention is to provide terminal connector for motors where it is desired to make a quick connection between the motor terminal wires. and the circuit terminal wires and to avoid the necessity oi taping and wrapping the jointed connections which not only requires time and labor but the expense of the tape. Another object is to provide a plurality of terminal con nections to which the motor terminal may be permanently connected and to fasten the circuit terminals in spaced relation so that each may be readily inserted. in its respective connection without the necessity of collection or individual handling. A. particular feature resides in a positive clamping device for the circuit terminal, said clamping device being under spring tension so as to tree itself from the circuit terminal when released.

A construction designed to carry out the invention will be hereinafter described together with other "eatures oi? the invention.

The invention will be more readily understood from a reading of the specification and by reference to the accompanying drawings, in which an example of the invention is shown and wherein:

Fig. 1 is a plan view of a single terminal connector constructed in accordance with my invention,

Fig. 2 is a longitudinal vertical sectional view of the same,

Fig. is a plan view showing the terminal connectors assembled on the case of an enclosed. motor,

Fig. at is a cross-sectional. view on the line 4 of Fig. 2, and

Fig. 5 is a cross sectional view 55 of Fig. 2.

In the drawings the numeral designates an elongated base bar at the central portion of which an arch shaped housing 11 is formed. At one end of the bar a concaved recess 12 is provided at one side. A termion the line Specification of Letters Patent.

Patented June 1 Serial No. 439,071.

nal plate or clamp 13 is disposed transversely ot the bar and isit'astened thereto by a machine screw 141-. The terminal plate overhangs the recess 12. The wrapped end of a motor teri'ninal wire '1 is clamped in the recess 12 by means of the plate 13.

The bar it) and housing 11 are made of a suitable metal capal'ile of conducting an electric current. ll ithin the housing a concaved groove 15 is formed in the top of the bar 10 and extends longitudinally of the housing. A clamping lever 16 is mounted on a transverse pin 1? passing through the housing. The end oi the housing adjacent the terminal plate 13. is enlarged transversely toreceive a vertically disposed coiled spring 18 having its upper end in engagement with the underside of the top of the housing and its lower end bearing on a boss 19 carried on the inner end of the lever 16. The lever 16 has a longitudinal concaved groove 20 in its underside co-acting with the groove 15 when the outer end of the lever is depressed.

A bail 21 is pivoted in the end of the bar 10 opposite from the terminal plate 13. This bail is adapted to swing over the outer end or". the lever 16 when the same is depressed and engaged in a notch 22, whereby said lever is held in its damping posit-ion. The wrapped terminal B of a circuit wire is passed through the bail and into the groove 15 within the housing as well as into the groove 20 ot' the lever. By swinging the lever downwardly and fastening it with the bail 21, the terminal wire B will be securely held within the housing and the connection quickly and efiiciently made. When it is desired to disconnect the wire B it is merely necessary to swing the bail 21 off of the end 01? the lever, so that the spring 18 at the opposite end of the lever, which spring has been compressed, will expand and swing the lever-so as to release the wire B which may be readily withdrawn from the housing.

In F 3 l have shown a plurality of 0011- nectors mounted on the case C of an enclosed motor. such as is used on street cars and interurban cars. It has been the practice in such cases to connect the ends of the motor terminal wires with the circuit wires depending from the floor of the car and wrap the same with insulating tape. Each time the motor is repaired or worked upon it is necessary to remove the tape from all of the connections and then rewrap the connections when the job is complete, which requires considerable time and labor and is expensive. In applying my invention 1 mount the connect-or on the case C, providing one for each motor terminal wire A. The circuit wires ii are usually carried in a cable D. ln order that these wires may be conveniently held and'readily inserted in their proper connectors l clamp the same between two strips 23 by means oi bolts 24., whereby they are heal in proper position to pass through the bails 21 and enter the housings 11 as will be obvious. By this arrangement it is not necessary to select the particular wire which is to be connected andby a single movement all tour wires may b insorter in their connectors and then clamped in position very quickly. lit is obvious that the wires ma be connected or disconnected with a great saving of time and labor.

Various changes may be made in the construei'iion and proportions without departing "from the spirit ot the invention and the illustration in the drawings is merely an exemplification ot the invention.

ll hat- I claim, is:

1. In an electrical terminal. connector, a metallic base adapted "For electrical connection in a circuit, a. clamping lever pivoted on th base, a coiled spring engaging one end ot the lever, and a fastening element engaging the other end of the lever.

2. In an electrical terminal connector, a metallic base adapted for electrical connec tion in a circuit, a housing mounted on the base, a clamping lever mounted in the lions ing and adapted to engage a. wire terminal, a coiled spring within the housing bearing on one end of the lever, and a bail pivoted on the base and adapted toengage over the outer end of: the clamping lever.

In an electrical terminal connector, a metallic base adapted for electrical connection in a circuit, a supportprojecting upwardly trom the base and carried thereby, a lever pivoted upon the support and having a portion thereof adapted to be moved toward the bas to clamp a terminal to the base, a spring engaging one end of the lever and adapted to swing the lever when it is released in a direction whereby the clamping portion of the lever is shifted away from the base and the terminal released, and means tor holding the lever in the inner position so that its clamping portion clamps the terminal to the base.

In an eleetrieal terminal connector, a metallic base adapted "tor electrical connec tion in a circuit, a housin mounted upon the base and projecting U'erally therebeyond, a lever pivoted within the housing and havinga clamping portion adapted to be a ringed approsimately parallel with the base when in its holding position, said clamping portion being movable toward and away from the base, a spring arranged within the housing and engaging the end ot the lever upon the opposite side of its pivot with respect to the clamping portion and adapted to shift the clamping portion away from the base when the lever is released, and an element engaging over the lever to retain the same in the inner position, the spring serving to hold the lever in engagement with the retaining element.

5. In an electrical terminal connector, a metallic base having. a groove and adapted tor electrical connection in a circuit, a housing mounted upon the base above the groove, a vertically swinging lever pivoted between its ends within the housing and provided with a lower e ongated face having a groove to align with the first named groove, said grooves being adapted to receive a terminal, said lever having a notch near one end thereof, a spring arranged within the housing upon one side of the pivot ot the lever engaging one end of the lever to swing the op posits end upwardly, and a bail pivoted to the base and adapted to engage over the opposite end of the lever and enter the notch. In testimony whereof I after my signature.

ISAAC E. KINSER. 

